1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
import sys
import logging
import getpass
from optparse import OptionParser
import slixmpp
# Python versions before 3.0 do not use UTF-8 encoding
# by default. To ensure that Unicode is handled properly
# throughout Slixmpp, we will set the default encoding
# ourselves to UTF-8.
if sys.version_info < (3, 0):
from slixmpp.util.misc_ops import setdefaultencoding
setdefaultencoding('utf8')
else:
raw_input = input
class CommandBot(slixmpp.ClientXMPP):
"""
A simple Slixmpp bot that provides a basic
adhoc command.
"""
def __init__(self, jid, password):
slixmpp.ClientXMPP.__init__(self, jid, password)
# The session_start event will be triggered when
# the bot establishes its connection with the server
# and the XML streams are ready for use. We want to
# listen for this event so that we we can initialize
# our roster.
self.add_event_handler("session_start", self.start)
def start(self, event):
"""
Process the session_start event.
Typical actions for the session_start event are
requesting the roster and broadcasting an initial
presence stanza.
Arguments:
event -- An empty dictionary. The session_start
event does not provide any additional
data.
"""
self.send_presence()
self.get_roster()
# We add the command after session_start has fired
# to ensure that the correct full JID is used.
# If using a component, may also pass jid keyword parameter.
self['xep_0050'].add_command(node='greeting',
name='Greeting',
handler=self._handle_command)
def _handle_command(self, iq, session):
"""
Respond to the initial request for a command.
Arguments:
iq -- The iq stanza containing the command request.
session -- A dictionary of data relevant to the command
session. Additional, custom data may be saved
here to persist across handler callbacks.
"""
form = self['xep_0004'].makeForm('form', 'Greeting')
form['instructions'] = 'Send a custom greeting to a JID'
form.addField(var='greeting',
ftype='text-single',
label='Your greeting')
session['payload'] = form
session['next'] = self._handle_command_complete
session['has_next'] = False
# Other useful session values:
# session['to'] -- The JID that received the
# command request.
# session['from'] -- The JID that sent the
# command request.
# session['has_next'] = True -- There are more steps to complete
# session['allow_complete'] = True -- Allow user to finish immediately
# and possibly skip steps
# session['cancel'] = handler -- Assign a handler for if the user
# cancels the command.
# session['notes'] = [ -- Add informative notes about the
# ('info', 'Info message'), command's results.
# ('warning', 'Warning message'),
# ('error', 'Error message')]
return session
def _handle_command_complete(self, payload, session):
"""
Process a command result from the user.
Arguments:
payload -- Either a single item, such as a form, or a list
of items or forms if more than one form was
provided to the user. The payload may be any
stanza, such as jabber:x:oob for out of band
data, or jabber:x:data for typical data forms.
session -- A dictionary of data relevant to the command
session. Additional, custom data may be saved
here to persist across handler callbacks.
"""
# In this case (as is typical), the payload is a form
form = payload
greeting = form['values']['greeting']
self.send_message(mto=session['from'],
mbody="%s, World!" % greeting,
mtype='chat')
# Having no return statement is the same as unsetting the 'payload'
# and 'next' session values and returning the session.
# Unless it is the final step, always return the session dictionary.
session['payload'] = None
session['next'] = None
return session
if __name__ == '__main__':
# Setup the command line arguments.
optp = OptionParser()
# Output verbosity options.
optp.add_option('-q', '--quiet', help='set logging to ERROR',
action='store_const', dest='loglevel',
const=logging.ERROR, default=logging.INFO)
optp.add_option('-d', '--debug', help='set logging to DEBUG',
action='store_const', dest='loglevel',
const=logging.DEBUG, default=logging.INFO)
optp.add_option('-v', '--verbose', help='set logging to COMM',
action='store_const', dest='loglevel',
const=5, default=logging.INFO)
# JID and password options.
optp.add_option("-j", "--jid", dest="jid",
help="JID to use")
optp.add_option("-p", "--password", dest="password",
help="password to use")
opts, args = optp.parse_args()
# Setup logging.
logging.basicConfig(level=opts.loglevel,
format='%(levelname)-8s %(message)s')
if opts.jid is None:
opts.jid = raw_input("Username: ")
if opts.password is None:
opts.password = getpass.getpass("Password: ")
# Setup the CommandBot and register plugins. Note that while plugins may
# have interdependencies, the order in which you register them does
# not matter.
xmpp = CommandBot(opts.jid, opts.password)
xmpp.register_plugin('xep_0030') # Service Discovery
xmpp.register_plugin('xep_0004') # Data Forms
xmpp.register_plugin('xep_0050') # Adhoc Commands
xmpp.register_plugin('xep_0199', {'keepalive': True, 'frequency':15})
# If you are working with an OpenFire server, you may need
# to adjust the SSL version used:
# xmpp.ssl_version = ssl.PROTOCOL_SSLv3
# If you want to verify the SSL certificates offered by a server:
# xmpp.ca_certs = "path/to/ca/cert"
# Connect to the XMPP server and start processing XMPP stanzas.
if xmpp.connect():
# If you do not have the dnspython library installed, you will need
# to manually specify the name of the server if it does not match
# the one in the JID. For example, to use Google Talk you would
# need to use:
#
# if xmpp.connect(('talk.google.com', 5222)):
# ...
xmpp.process(block=True)
print("Done")
else:
print("Unable to connect.")
|
